18488972 (number)

18488972 is an even 8-digits composite number following 18488971 and preceding 18488973. In scientific notation, it is written as 1.8488972 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 9176736 positive integers (up to 18488972) that are relatively prime to 18488972.

Interesting facts

Basic properties

Name

Name eighteen million four hundred eighty-eight thousand nine hundred seventy-two

Notation

Scientific notation 1.8488972 × 10^7
Engineering notation 1.8488972 × 10^6

Prime Factorization of 18488972

Prime Factorization 2 × 2 × 137 × 33739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9244486
Product of the distinct prime numbers

The prime factorization of 18488972 is 2 × 2 × 137 × 33739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18488972)

Multiplication

n×y
n×2 36977944
n×3 55466916
n×4 73955888
n×5 92444860

Division

n÷y
n÷2 9244486
n÷3 6162990.6666667
n÷3 4622243
n÷5 3697794.4

Exponentiation

ny
n2 341842085616784
n3 6.3203087493903E+21
n4 1.1685601149883E+29
n5 2.1605475246336E+36

Nth Root

y√n
2√n 4299.8804634548
3√n 264.42606057158
4√n 65.573473779073
5√n 28.404199411539

Divisors of 18488972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18488971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18488972 can be divided by 12 positive divisors. The sum of these divisors (counting 18488972) is 1, the average is 0.083333333333333.

Base conversion 18488972

Base System Value
2 Binary 1000110100001111010001100
3 Ternary 1021210100002202
4 Quaternary 1012201322030
5 Quinary 14213121342
6 Senary 1500141032
8 Octal 106417214
10 Decimal 18488972
12 Duodecimal 6237778
16 Hexadecimal 11a1e8c
20 Vigesimal 5fb28c
36 Base36 b0a6k

Cryptographic Hash Functions

md5 a80ee07d6b1f6e6007f0fa38c36e898e
sha1 4b3143b72694984effa8fcb8205f58946fd11308
sha256 a219515464a859ea7850b908748098b07f597b6926e884ed4fb5ca16026e1ecd
sha512 854b6d4fbd2b772dc10169089cc8256c36def5a322c7bebc69eba0d64785e6d7356ac678f18f34512c7b5a3400e15055d8483860af82c03a80eb42dd4c65dcb3
ripemd-160 05d31bef80d4825ac1a408298e93601971f61a3c

18488972 as geometric shapes

Circle

Radius = n
Diameter 36977944
Circumference 116169637.21525
Area 1.0739285848615E+15

Sphere

Radius = n
Volume 2.6474447380672E+22
Surface area 4.295714339446E+15
Circumference 116169637.21525

Square

Length = n
Perimeter 73955888
Area 341842085616784
Diagonal 26147354.956736

Cube

Length = n
Surface area 2051052513700704
Volume 6.3203087493903E+21
Space diagonal 32023838.883718

Equilateral Triangle

Length = n
Perimeter 55466916
Area 1.480219651134E+14
Altitude 16011919.441859

Triangular Pyramid

Length = n
Surface area 1.480219651134E+14
Volume 7.4485552931443E+20
Height 8715784.9855788